bolts › machine bolts
BACB30NF4-52
Bolt
Description
Fastener Length: 3-21/32", Thread: 1/4-28, Thread Length: 25/64"
Specifications
| Fastener Length | 3.614 inches minimum and 3.664 inches maximum |
|---|---|
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 3.240 inches minimum and 3.260 inches maximum |
| Head Height | 0.125 inches minimum and 0.140 inches maximum |
| Head Style | Undercut hexagon |
| Length | 3 21/32 |
| Material | Steel |
| Material Specification | Mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams 6322 assn std 2nd material response |
| Min. Tensile Strength (psi) | 140000 pounds per square inch |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.374 inches minimum and 0.404 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.430 inches minimum and 0.438 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for BACB30NF4-52. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error